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Human Embryology Overview and Stages by Charlie Mejos Merced is a document available to read on EtoBox.

What is Human Embryology Overview and Stages about?

1) Fertilization is a four step process beginning with contact and recognition of sperm and egg, followed by sperm entry, egg activation, and fusion of the sperm and egg nuclei. 2) Cleavage then occurs through rapid mitotic cell divisions without growth, forming a ball of 32 cells called a morula. Continued divisions form a hollow blastula made of pluripotent stem cells. 3) Gastrulation then forms the three germ layers - endoderm, mesoderm, and ectoderm - which will develop into the embryo and extraembryon

Author

Charlie Mejos Merced

Language

EN